ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,441, issued on April 7, was assigned to EMP Image Solution Sdn. Bhd. (Petaling Jaya, Malaysia).
"Face mask" was invented by Chee Wei Yeoh (Petaling Jaya, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A face mask for wearing over mouth and nose of a user that includes a flexible body portion and one or more fasteners attached to the body portion. The body portion substantially covers a respiratory tract opening e.g. mouth and nostrils, of the user to block an entry of undesired airborne impurities into the respiratory tract opening. When the mask is worn, a front surface of the body portion is exposed to an external atmosphere and a rear su...